Aries (AF-20-3400-BB) 20"x4.5" Big Blue Greensand Filter Purolite (A4146) Mixed Bed Color Changing DI Resin 🔧 Pro Tip: Calcite media

🔧 Pro Tip: Calcite media dissolves slowly as it neutralizes acid

and water treatment oversight

The unique binder system in the FX20VOC provides exceptionally low pressure drop while maintaining high dirt holding capacity—ideal for whole-house filtration where flow rate and service life matter

integral mounting legs

and chemical injection rate verification

Aries (AF-20-3400-BB) 20"x4.5" Big Blue Greensand Filter Purolite (A4146) Mixed Bed Color Changing DI Resin 🔧 Pro Tip: Calcite mediaThe Aries FilterWorks AF 20 3400 BB is a 20"x4. 5" Big Blue greensand specialty cartridge engineered to reduce iron, manganese, and hydrogen sulfide in whole house applications. This filter uses catalytic greensand media to oxidize and trap contaminants that cause metallic taste, staining, and unpleasant odors. SPECIFICATIONS Aries AF 20 3400 BB Filter Details Manufacturer Aries Filter Works Model Number AF 20 3400 BB Dimensions 20" x 4. 5" (Big Blue)